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KS3 BREATHING

Breathing and gas exchange

TermDefinition
muscle under ribcage that helps with breathing diaphragm
name for the wind pipe trachea
where gas exchange in the lungs take place in the air sacs
proper name for air sacs alveoli
waste gas we breathe out carbon dioxide
gas we take in from air oxygen
what we use oxygen for respiration in every cell
how oxygen travels around the body in red blood cells
the trachea splits in to two tubes called bronchi
how oxygen moves to the bloodstream by diffusion
inhaling is.. breathing in
exhaling is .. breathing out
inhaling process diaphragm moves down and ribs move up to increase lung volume and air rushes in
exhaling process diaphragm moves up, ribs move down, air rushes out of lungs
2 things muscles need more of when exercising oxygen and glucose
how more oxygen gets into the blood when exercising faster breathing rate and deeper breathing
asthma attack symptoms difficulty breathing, wheezing and a tight chest
treatment for asthma inhaler containing drugs that open up airways
4 bad things for your body in cigarette smoke carbon monoxide, nicotine, tar and particulates
effects of tar damages cilia on lining of airways so we can't get rid of mucus and it contains carcinogens
bronchitis disease that inflames the lining of the bronchi (main air tubes) making it difficult to breathe
emphysema disease that destroys air sacs and makes it difficult to breathe
carcinogens are.. substances that cause cancer
cancers caused by smoking lung, throat and mouth
smokers cough build up of sticky mucus due to damaged cilia
cilia little hairs
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